Sen. Claire McCaskill takes on Dr. Oz

Last week there was lots of talk about a hearing in which Dr. Mehmet Oz met his match in U.S. Sen. Claire McCaskill (D-Mo.). She's the chair of the Consumer Protection Committee. Oz went before the committee to testify on the marketing of "miracle" weight loss cures. Missouri School of Journalism professors Jim Flink, Mike McKean and Amy Simons discuss the issue.